Bondo Blue Wood Filler is a permanent, fully paintable repair material for a broad range of projects inside and outside the home. Repairs cabinets, furniture, floors, decks, window sills, exterior trim, fences, siding, doors, door frames, soffits, fascia, baseboards and more. Ideal for almost any wood surface, the two-part wood filler forms a permanent bond and will not shrink. Includes cream hardener. Turns medium brown when mixed, helping blend with wood surfaces for consistent appearance. Cures fast in as little as 15 minutes it can be easily sanded by hand or power tools. Bondo Wood Filler is suitable for staining or painting in only 25 minutes.